Colter-cleaner.



H. J. BOELTER.

COLTER CLEANER.

APPIIIGATION FILED MAR. 31, 1913.

Patented Dec. 9, 1913.

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C. N. o T n m m W u. L M R u u n A. w. M. m u L u c a front elevationot' the same.

HERMAN J. BOELTER, OF LITCHVILLE, NORTH DAKOTA.

COLTER-CLEANER.

Specification of Letters Patent.

Patented Dee. 9,1913.

Application filed March 31, 1913. .Serial No. 758,019.

To all whom t may concern Be it known that I, HERMAN J. Bomann, acitizen of the United States, of the town oft Litchvillc, in the Stateof North Dakota, have invented certain new and useful Improvements inColter-Cleaners, ot which the following is a specification.

This invention relates to improvements in Scrapers for roller coltersand its object is to produce a device of this class that is adapted tobe attached to the tines of the biturcated bar by which the colter iscarried, and which is provided with adjustable cleaning or scrapingsurfaces adapted to engage either face of the colter as it rotates andremove any foreign substances adhering thereto.

NVith the foregoing and other objects in view the invention consists inthe combina tion and arrangement of parts to be hereina't'ter fullydescribed in the following specification, pointed out in the claims andillus trated in the accoi'npanyii'ig drawing which forms a part of saidspecification and in whichj Figure l is a side elevation ot' my improved colter cleaner in position. Fig. 2 is Fig. 3 is a plan of Fig. 2.Fig. 4l is a rear elevation. Fig. 5 is a vertical section taken on line5-5 of Fig. 4l.

Like reference characters indicate corresponding parts throughout theseveral views.

l is the colter and 2 its shaft journaled in the tines 8, 3.

4, 4 and 5, 5 are U-shaped braces, threaded on their extremities, whichengage the tines 3, 3 to support thereupon the bifurcated shield G.Spacing blocks 7 disposed between the tines 3 and shield, within thebraces, retain the latter in an adjusted position with relation to saidtines. Secured to either side of the front face of the bifurcated shieldby the braces il, t and 5, 5 are flexible metallic bands 8 which passinto the aperture formed by the bifurcation of said shield and engage ametallic strip 9 to which rubber 0r canvas pieces l0 are secured thatcomprise the trictional scraping surfaces that rest upon the Coulter asit rotates.

The rear 'face of the shield is formed with a pair of integral angularlips ll disposed in planes parallel to the plane of rotation of thecolter and `to each oit' said lips a metallic plate 1Q is secured as at13 by a rivet or other suitable fastening means and said fastening meansalso engages and supports a pressure spring 14: which presses againstthe strip 9 which in turn presses the scraper 10 against the coltercleaning the same as it rotates. Should lumps or chunks of clay or otherforeign matter adhere to the colter and tail to be relnoved by theScrapers at the first revolution of the colter the springs 14 willpermit the strips 9 and Scrapers lO to adjust themselves to permitpassage therebetween of said matter. The springs 14 positioned asillustrated in the drawings afford an independent adjustable scrapersurface for each side of the colter face.

I/Vhat is claimed is 1. In a colter cleaner, the combiimtion with thecolter tines, of a bifureated shield adjustably secured thereto,integral angular lips formed on said shield and disposed in planesparallel to the plane of rotation of the colter, a frictional scraperfor each lateral tace of said colter, flexible metallic bands secured tosaid shield supporting said trictional. scrapers and springs carried bysaid lips for frictional engagement with the said scrapers.

2. In a colter cleaner the combination with the colter tines, of abiturcated shield, braces connecting said shield. and tines, spacingblocks disposed between said shield and tines, integral angular lipsformed on said shield disposed in planes parallel to the plane oirotation ot -the colter, frictional Scrapers i'or said colter,supporting means connecting said Scrapers and shield and flexibleadjusting means connecting said lips and scrapers.

In testimony that I claim the foregoing as my own I have hereto atl'lXedmy signature in the presence of two subscribing witnesses.

HERMAN J. BOELTER.

Vitnesses IC. II. I-InAnLANn, I-I. A. I-IANsoN.

Copies of this patent may be obtained for ve cents each, by addressingthe Commissioner of Patents, Washington, D. C.

